- Removed stats reconfiguration notice after an appropriate time period.

- Tweaked colour of stats notice.

- Changed text of stats bug message.

- Fixed spelling error.

- Added note about statistics bug fix.

- Switched navigation bars to use global actions/includes array in ...

inc.vars.es_src.php instead of manually including files.
- Fixed a display bug with the "Last year" navigation bar item that caused
  it to erroneiously highlight "Last year" when you were actually viewing
  a single month from last year.

- Added intelligent navigation bars. ...

- Made all paths relative.